Algebra
Basic

Slope-Intercept Form

Equation of a straight line.

Formula

y=mx+by = mx + b

Variables

mSlope
by-intercept

Example

y = 2x + 1 has slope 2 and crosses the y-axis at (0, 1).

Did You Know?

y = mx + b is probably the most-used equation in all of applied math — the workhorse of linear trends.

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